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[aporter <1213035@xxxxxxxxxxxxxxxxxx>]

There are many other people discussing this problem on other forums:

https://lkml.org/lkml/2013/7/15/69 (July 2013)
http://forums.fedoraforum.org/archive/index.php/t-293457.html (August 2013)

It's not easy to regression test this since rebooting fixes the problem.
However, once the problem occurrs, I can easily debug things.

For instance, I know that "sudo rmmod e1000e" is a valid work-around for
this problem.

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https://bugs.launchpad.net/bugs/1213035

Title:
  e1000e module sometimes prevents suspend to ram

Status in “linux” package in Ubuntu:
  Confirmed

Bug description:
  Sometimes, usually towards the end of the day, I find my e100e module does not allow the system to suspend. The following is seen in dmsg:
  [40697.709402] Freezing user space processes ... (elapsed 0.01 seconds) done.
  [40697.724258] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done.
  [40697.740285] Suspending console(s) (use no_console_suspend to debug)
  [40697.872196] sd 0:0:0:0: [sda] Synchronizing SCSI cache
  [40698.041526] sd 0:0:0:0: [sda] Stopping disk
  [40698.714054] pci_pm_suspend(): e1000_suspend+0x0/0x20 [e1000e] returns -2
  [40698.714058] dpm_run_callback(): pci_pm_suspend+0x0/0x140 returns -2
  [40698.714061] PM: Device 0000:00:19.0 failed to suspend async: error -2
  [40698.714100] PM: Some devices failed to suspend

  "rmmod e100e" and I can suspend again.
  I do use the ethernet adapter, and it only has occurred after having been connected to ethernet.

  Seen on 13.04 amd64 with kernel 3.8.0-27-generic

  ProblemType: Bug
  DistroRelease: Ubuntu 13.04
  Package: linux-image-3.8.0-27-generic 3.8.0-27.40
  ProcVersionSignature: Ubuntu 3.8.0-27.40-generic 3.8.13.4
  Uname: Linux 3.8.0-27-generic x86_64
  NonfreeKernelModules: nvidia
  ApportVersion: 2.9.2-0ubuntu8.3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  anton      3094 F.... pulseaudio
   /dev/snd/controlC0:  anton      3094 F.... pulseaudio
  Date: Thu Aug 15 17:22:00 2013
  HibernationDevice: RESUME=UUID=471df139-754b-43b4-9979-4d334871c53e
  InstallationDate: Installed on 2013-07-05 (40 days ago)
  InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424)
  MachineType: LENOVO 24491D1
  MarkForUpload: True
  ProcFB:
   
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.8.0-27-generic root=/dev/mapper/ubuntu--vg-root ro quiet splash nox2apic
  RelatedPackageVersions:
   linux-restricted-modules-3.8.0-27-generic N/A
   linux-backports-modules-3.8.0-27-generic  N/A
   linux-firmware                            1.106
  SourcePackage: linux
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 02/27/2013
  dmi.bios.vendor: LENOVO
  dmi.bios.version: G5ET92WW (2.52 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 24491D1
  dmi.board.vendor: LENOVO
  dmi.board.version: Win8 Pro DPK TPG
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: Not Available
  dmi.modalias: dmi:bvnLENOVO:bvrG5ET92WW(2.52):bd02/27/2013:svnLENOVO:pn24491D1:pvrThinkPadW530:rvnLENOVO:rn24491D1:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
  dmi.product.name: 24491D1
  dmi.product.version: ThinkPad W530
  dmi.sys.vendor: LENOVO

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